wil6210: implement skb Tx status reporting

Implement Tx status reporting using skb_complete_wifi_ack().
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/wil6210/cfg80211.c

@@ -858,6 +858,7 @@ static void wil_wiphy_init(struct wiphy *wiphy)
 	wiphy->cipher_suites = wil_cipher_suites;
 	wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites);
 	wiphy->mgmt_stypes = wil_mgmt_stypes;
+	wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
 }
 
 struct wireless_dev *wil_cfg80211_init(struct device *dev)

drivers/net/wireless/ath/wil6210/txrx.c

@@ -1121,6 +1121,22 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	return NET_XMIT_DROP;
 }
 
+static inline bool wil_need_txstat(struct sk_buff *skb)
+{
+	struct ethhdr *eth = (void *)skb->data;
+
+	return is_unicast_ether_addr(eth->h_dest) && skb->sk &&
+	       (skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS);
+}
+
+static inline void wil_consume_skb(struct sk_buff *skb, bool acked)
+{
+	if (unlikely(wil_need_txstat(skb)))
+		skb_complete_wifi_ack(skb, acked);
+	else
+		acked ? dev_consume_skb_any(skb) : dev_kfree_skb_any(skb);
+}
+
 /**
  * Clean up transmitted skb's from the Tx VRING
  *
@@ -1199,8 +1215,7 @@ int wil_tx_complete(struct wil6210_priv *wil, int ringid)
 					ndev->stats.tx_errors++;
 					stats->tx_errors++;
 				}
-
-				dev_kfree_skb_any(skb);
+				wil_consume_skb(skb, d->dma.error == 0);
 			}
 			memset(ctx, 0, sizeof(*ctx));
 			/* There is no need to touch HW descriptor: